Antenna



FIG. 1 is a perspective view of an antenna showing my new design, thecommunication device shown in broken lines for illustrative purposesonly;

FIG. 2 is an enlarged right side elevational view thereof, the left sidebeing a mirror image;

FIG. 3 is an enlarged rear elevational view thereof;

FIG. 4 is an enlarged front elevational view thereof;

FIG. 5 is an enlarged top plan view thereof; and,

FIG. 6 is an enlarged bottom plan view thereof.

The ornamental design for an antenna, as shown and described.